| Holyhead to North Tustin (California) | 5,216.96 mi (8,395.89 km) |
| Holyhead to North Valley (New Mexico) | 4,758.56 mi (7,658.17 km) |
| Holyhead to North Valley Stream (New York) | 3,233.55 mi (5,203.89 km) |
| Holyhead to North Wantagh (New York) | 3,224.92 mi (5,190.01 km) |
| Holyhead to Northampton (Massachusetts) | 3,120.27 mi (5,021.59 km) |
| Holyhead to Northampton (Pennsylvania) | 3,304.76 mi (5,318.49 km) |
| Holyhead to Northbrook (Illinois) | 3,718.48 mi (5,984.32 km) |
| Holyhead to Northbrook (Ohio) | 3,729.56 mi (6,002.15 km) |
| Holyhead to Northdale (Florida) | 4,198.88 mi (6,757.44 km) |
| Holyhead to Northfield (Minnesota) | 3,805.43 mi (6,124.25 km) |
| Holyhead to Northglenn (Colorado) | 4,449.23 mi (7,160.35 km) |
| Holyhead to Northlake (Illinois) | 3,731.21 mi (6,004.80 km) |
| Holyhead to Northport (Alabama) | 4,141.29 mi (6,664.77 km) |
| Holyhead to Northview (Michigan) | 3,591.86 mi (5,780.54 km) |
| Holyhead to Norton (Ohio) | 3,532.12 mi (5,684.40 km) |
